@Ding, they probably noticed it because 1 inch is 1/12th of a foot, which is about 1/3rd of a "cubit".
From there, you get into all the astrological measurements and yada yada yada.
It makes their doctrine duplicitous in its support of pagan beliefs.
Remember, too, you're talking about some guys who either were involved or had interest in Freemasonry.